CN217025675U

CN217025675U - Denitrification device for landfill leachate treatment

Info

Publication number: CN217025675U
Application number: CN202123166838.2U
Authority: CN
Inventors: 党自力; 张俊蛟; 曹冬辉; 闵虹菲; 赵路; 薛晓冬; 黄伟; 宋恩来
Original assignee: Zhengzhou Public Environmental Technology Co ltd
Current assignee: Zhengzhou Public Environmental Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-22
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to the technical field of landfill leachate treatment, in particular to a denitrification device for landfill leachate treatment, which comprises a first main shell, wherein a second main shell is fixedly installed at the bottom of the first main shell, a door body is fixedly installed on the surface of the first main shell, a feed hopper is fixedly installed at the top of the first main shell, a separation bin is arranged in the first main shell, and a mounting plate is fixedly installed at the top end in the separation bin through a bolt. According to the utility model, through reasonable structural design, liquid in the nitrification tank is stirred more uniformly, nitrogen removal is more sufficient, and precipitation is reduced, so that the garbage leachate can be better treated when the device is integrally used, a mechanical transmission mechanism is arranged in the device, and the garbage leachate and other solid impurities are separated through centrifugal force generated by the spiral separation fan blades, so that the effect of solid-liquid separation is achieved, the solid impurities can be effectively filtered and collected, and the later stirring and precipitation work is more convenient.

Description

Denitrification device for landfill leachate treatment

Technical Field

The utility model relates to the technical field of landfill leachate treatment, in particular to a denitrification device for landfill leachate treatment.

Background

Denitrification, also called denitrification, refers to a biochemical process in which nitrogen (N) in nitrate (NO 3-) is reduced to nitrogen (N2) by bacteria through a series of intermediates (NO 2-, NO, N2O), and the bacteria participating in the process are collectively called denitrifying bacteria, and are commonly used in sewage treatment processes and landfill leachate treatment processes.

However, the denitrification device for landfill leachate treatment, which is common in the market at present, still has some defects in the actual use process, such as: common landfill leachate handles with denitrification facility is directly drop into in the nitrification tank when in-service use, stirs it and waits for its sediment, and the landfill leachate treatment effect that this kind of mode was handled is not good, and does not have the solid impurity in the landfill leachate who handles more, has caused great inconvenience to the stirring and the sediment in later stage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the utility model provides a denitrification device for treating landfill leachate, which comprises a first main shell, a second main shell is fixedly arranged at the bottom of the first main shell, a door body is fixedly arranged on the surface of the first main shell, a feed hopper is fixedly arranged at the top of the first main shell, a separation bin is arranged inside the first main shell, an installation plate is fixedly arranged at the top end inside the separation bin through a bolt, a transmission shaft is rotatably arranged at the middle position of the bottom of the installation plate, a spiral separation blade is arranged at the upper end of the surface of the transmission shaft, a filter plate is fixedly arranged on the surface of the transmission shaft below the spiral separation blade, filter holes are formed in the surface of the filter plate, a connecting block is fixedly arranged on the surface of the transmission shaft below the filter plate, a first stirring shaft is fixedly arranged on the surface of the transmission shaft below the connecting block, and a second stirring shaft is fixedly connected to the inner side of the first stirring shaft, the upper end fixed mounting on the two surfaces of the main casing body has a motor, the stirring bin has been seted up to the inside of the main casing body, the sedimentation tank has been seted up to the bottom in stirring bin, the discharge gate has been seted up to the bottom of sedimentation tank, and discharge gate department fixed mounting has solenoid valve.

Preferably, the surfaces of the first main shell and the second main shell are coated with anti-corrosion coatings.

Preferably, the surface of the door body is provided with a transparent observation window, the surface of the door body on one side of the transparent observation window is provided with a buckling groove, and the surface of the main shell body below the door body is embedded with a control button assembly.

Preferably, the transmission shaft is rotatably connected with the mounting plate through a bearing.

Preferably, the edge of the filter plate is fixedly connected with a baffle.

Preferably, the number of the stirring shafts is two, the two stirring shafts are L-shaped, the number of the stirring shafts is four, and the surfaces of the four stirring shafts are provided with stirring blades.

Preferably, the outside fixed mounting of motor has protective housing, and the output of motor passes through belt pulley mechanism and connecting block fixed connection, and the bottom of transmission shaft extends to the inside in stirring storehouse.

Preferably, the bottom end of the separation bin is connected with the top end of the stirring bin through a material through hole.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

the mechanical transmission mechanism is arranged in the device, and the garbage leachate and other solid impurities are separated by centrifugal force generated by the spiral separation fan blades, so that the effect of solid-liquid separation is achieved, the solid impurities can be effectively filtered and collected, and the later-stage stirring and precipitation work is facilitated;

according to the utility model, the first stirring shaft and the second stirring shaft with stirring blades are arranged in the device, so that the whole stirring contact area of the device is greatly increased, the stirring is more sufficient, the whole device is designed in a reasonable structure, the liquid in the nitrification tank is stirred more uniformly, the denitrification is more sufficient, the precipitation is reduced, and the garbage leachate can be better treated when the device is used.

Drawings

FIG. 1 is a schematic structural diagram of a denitrification apparatus for landfill leachate treatment according to the present invention;

FIG. 2 is an internal cross-sectional view of the present invention;

fig. 3 is a schematic structural view of a transmission shaft according to the present invention.

Reference numerals: 1. a first main shell; 2. a second main shell; 3. a door body; 4. a feed hopper; 5. separating the bins; 6. mounting a plate; 7. a drive shaft; 8. spirally separating the fan blades; 9. a filter plate; 10. filtering holes; 11. connecting blocks; 12. a first stirring shaft; 13. a second stirring shaft; 14. a motor; 15. a stirring bin; 16. a sedimentation tank; 17. an electromagnetic valve; 18. and (6) feeding a material opening.

Detailed Description

Example one

As shown in the figure 1-2, the denitrification device for landfill leachate treatment provided by the utility model comprises a main shell 1, a main shell II 2 is fixedly installed at the bottom of the main shell 1, a door body 3 is fixedly installed on the surface of the main shell I1, a feed hopper 4 is fixedly installed at the top of the main shell I1, a separation bin 5 is arranged inside the main shell I1, an installation plate 6 is fixedly installed at the top end inside the separation bin 5 through a bolt, a transmission shaft 7 is rotatably installed at the middle position of the bottom of the installation plate 6, a spiral separation fan blade 8 is arranged at the upper end of the surface of the transmission shaft 7, a filter plate 9 is fixedly installed on the surface of the transmission shaft 7 below the spiral separation fan blade 8, filter holes 10 are formed in the surface of the filter plate 9, a connecting block 11 is fixedly installed on the surface of the transmission shaft 7 below the filter plate 9, and a stirring shaft I12 is fixedly installed on the surface of the transmission shaft 7 below the connecting block 11, (mixing) shaft 12's inboard fixedly connected with (mixing) shaft two 13, the upper end fixed mounting on main casing body two 2 surfaces has motor 14, stirring storehouse 15 has been seted up to main casing body two 2's inside, sedimentation tank 16 has been seted up to stirring storehouse 15's bottom, the discharge gate has been seted up to sedimentation tank 16's bottom, and discharge gate department fixed mounting has solenoid valve 17, rotate through the bearing between transmission shaft 7 and the mounting panel 6 and be connected, the edge fixedly connected with baffle of filter 9, motor 14's outside fixed mounting has protective housing, and motor 14's output passes through pulley mechanism and connecting block 11 fixed connection, the bottom of transmission shaft 7 extends to stirring storehouse 15's inside.

In the embodiment, before use, the device is integrally moved to a place needing to be used and is stably placed and prepared for use, when in use, an external power supply is connected firstly, then the feed hopper 4 is connected with a garbage leachate storage device mutually, at the moment, the motor 14 is started, the motor 14 drives the transmission shaft 7 to rotate, when externally conveyed garbage leachate enters the feed hopper 4, the garbage leachate falls on the spiral separation blades 8 on the transmission shaft 7, at the moment, the garbage leachate, particles in the garbage leachate and other solid impurities in the garbage leachate are separated under the action of centrifugal force generated by the rotation of the spiral separation blades 8, the solid impurities are transmitted to the filter plates 9 through the spiral separation blades 8, the residual garbage leachate on the solid impurities flows out through the filter holes 10, and finally the garbage leachate enters the stirring bin 15 through the material inlet 18, and the mechanical transmission mechanism is arranged in the device, and the centrifugal force that produces through spiral separation flabellum 8 separates landfill leachate and other solid impurity, has reached solid-liquid separation's effect, not only can effectually filter and collect solid impurity, the stirring precipitation work in the later stage of being more convenient for.

Example two

As shown in fig. 2-3, compared with the first embodiment, the denitrification apparatus for landfill leachate treatment provided by the present invention further comprises a first main housing 1, a second main housing 2 is fixedly mounted at the bottom of the first main housing 1, a door body 3 is fixedly mounted on the surface of the first main housing 1, a feed hopper 4 is fixedly mounted at the top of the first main housing 1, a separation bin 5 is disposed inside the first main housing 1, a mounting plate 6 is fixedly mounted at the top end of the inside of the separation bin 5 through a bolt, a transmission shaft 7 is rotatably mounted at the middle position of the bottom of the mounting plate 6, a spiral separation blade 8 is disposed at the upper end of the surface of the transmission shaft 7, a filter plate 9 is fixedly mounted on the surface of the transmission shaft 7 below the spiral separation blade 8, a filter hole 10 is disposed on the surface of the filter plate 9, a connecting block 11 is fixedly mounted on the surface of the transmission shaft 7 below the filter plate 9, a first stirring shaft 12 is fixedly mounted on the surface of the transmission shaft 7 below the connecting block 11, the inner side of the stirring shaft I12 is fixedly connected with a stirring shaft II 13, the upper end of the surface of the main shell II 2 is fixedly provided with a motor 14, the inner part of the main shell II 2 is provided with a stirring bin 15, the bottom end of the stirring bin 15 is provided with a sedimentation tank 16, the bottom of the sedimentation tank 16 is provided with a discharge hole, and an electromagnetic valve 17 is fixedly arranged at the discharge port, the surfaces of the first main shell 1 and the second main shell 2 are coated with anti-corrosion coatings, the surface of the door body 3 is provided with a transparent observation window, the surface of the door body 3 at one side of the transparent observation window is provided with a buckling groove, and the surface of the main shell 1 below the door body 3 is embedded with a control button assembly, the stirring shafts 12 are provided with two stirring shafts, and two (mixing) shafts 12 all are L shape, and (mixing) shaft two 13 are provided with four altogether, and four (mixing) shaft two 13's surface all is provided with stirring paddle leaf, and the bottom in separation storehouse 5 and the top in stirring storehouse 15 are connected through logical material mouth 18.

In this embodiment, landfill leachate enters into the inside of stirring storehouse 15 via logical material mouth 18 after the inside solid-liquid separation that carries on of separation storehouse 5, this moment (mixing) shaft 12 carries out circular motion under the drive of motor 14, and be equipped with stirring paddle's (mixing) shaft two 13 on the (mixing) shaft 12 continuous and evenly stir landfill leachate, be provided with (mixing) shaft one 12 through the inside at this device, and set up stirring shaft two 13 that has stirring paddle, make the holistic stirring area of contact greatly increased of this device, make the stirring more abundant, wholly through reasonable structural design, make the liquid stirring more even in the nitrification tank, the denitrogenation is more abundant, reduce and precipitate, make this device whole can be better when using handle landfill leachate.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a landfill leachate handles uses denitrification facility which characterized in that: the device comprises a first main shell (1), a second main shell (2) is fixedly installed at the bottom of the first main shell (1), a door body (3) is fixedly installed on the surface of the first main shell (1), a feed hopper (4) is fixedly installed at the top of the first main shell (1), a separation bin (5) is arranged inside the first main shell (1), a mounting plate (6) is fixedly installed at the top end of the inside of the separation bin (5) through bolts, a transmission shaft (7) is rotatably installed at the middle position of the bottom of the mounting plate (6), a spiral separation fan blade (8) is arranged at the upper end of the surface of the transmission shaft (7), a stirring shaft (9) is fixedly installed on the surface of the transmission shaft (7) below the spiral separation fan blade (8), filtering holes (10) are formed in the surface of the filtering plate (9), a connecting block (11) is fixedly installed on the surface of the transmission shaft (7) below the filtering plate (9), a first stirring shaft (12) is fixedly installed on the surface of the transmission shaft (7) below the connecting block (11), the inboard fixedly connected with (mixing) shaft two (13) of (mixing) shaft (12), the upper end fixed mounting on the main casing body two (2) surface has motor (14), stirring storehouse (15) have been seted up to the inside of the main casing body two (2), sedimentation tank (16) have been seted up to the bottom in stirring storehouse (15), the discharge gate has been seted up to the bottom of sedimentation tank (16), and discharge gate department fixed mounting has solenoid valve (17).

2. The denitrification device for landfill leachate treatment according to claim 1, wherein: the surfaces of the first main shell (1) and the second main shell (2) are coated with anti-corrosion coatings.

3. The denitrification device for landfill leachate treatment according to claim 1, wherein: the surface of the door body (3) is provided with a transparent observation window, the surface of the door body (3) on one side of the transparent observation window is provided with a buckle groove, and the surface of the main shell body (1) below the door body (3) is provided with a control button assembly in an embedded mode.

4. The denitrification device for landfill leachate treatment according to claim 1, wherein: the transmission shaft (7) is rotatably connected with the mounting plate (6) through a bearing.

5. The denitrification device for landfill leachate treatment according to claim 1, wherein: the edge of the filter plate (9) is fixedly connected with a baffle.

6. The denitrification device for landfill leachate treatment according to claim 1, wherein: the number of the first stirring shafts (12) is two, the first stirring shafts (12) are L-shaped, the number of the second stirring shafts (13) is four, and stirring blades are arranged on the surfaces of the second stirring shafts (13).

7. The denitrification device for landfill leachate treatment according to claim 1, wherein: the outside fixed mounting of motor (14) has protective housing, and the output of motor (14) passes through belt pulley mechanism and connecting block (11) fixed connection, and the bottom of transmission shaft (7) extends to the inside in stirring storehouse (15).

8. The denitrification device for landfill leachate treatment according to claim 1, wherein: the bottom end of the separation bin (5) is connected with the top end of the stirring bin (15) through a material passing hole (18).